Home / 352,039,271.60-528,058,907.40-321,781,300.40

Finding the Fourth Proportional to 352,039,271.60, 528,058,907.40 and 321,781,300.40

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Solution

The fourth proportional to 352,039,271.60, 528,058,907.40 and 321,781,300.40 is: 482,671,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,039,271.60 : 528,058,907.40 = 321,781,300.40 : x
  2. Step 2: Convert to fraction form
    352,039,271.60/528,058,907.40 = 321,781,300.40/x
  3. Step 3: Cross multiply
    352,039,271.60x = 528,058,907.40 × 321,781,300.40
  4. Step 4: Simplify right side
    352,039,271.60x = 169,919,481,910,975,168
  5. Step 5: Solve for x
    x = 169,919,481,910,975,168/352,039,271.60
  6. Step 6: Final answer
    x = 482,671,950.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.